{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["cell line", "cell type", "RNA", "protein", "DNA"], "input": "A Tat -responsive element is found upstream within the viral promoter that in glial-derived cell lines allows transactivation in the absence of TAR ."}
{"cell line": ["glial-derived cell lines"], "cell type": [], "RNA": ["TAR"], "protein": ["Tat"], "DNA": ["Tat -responsive element", "viral promoter"]}